MainActivity.java

package com.example.soundrecord_demo;import java.io.IOException;import android.media.MediaRecorder;import android.os.Bundle;import android.app.Activity;import android.view.Menu;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;public class MainActivity extends Activity implements OnClickListener{        private Button btn1, btn2;    private MediaRecorder record;        @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);                btn1 = (Button) findViewById(R.id.button1);        btn2 = (Button) findViewById(R.id.button2);                btn1.setOnClickListener(this);        btn2.setOnClickListener(this);            }    @Override    public boolean onCreateOptionsMenu(Menu menu) {        // Inflate the menu; this adds items to the action bar if it is present.        getMenuInflater().inflate(R.menu.main, menu);        return true;    }    @Override    public void onClick(View arg0) {        // TODO Auto-generated method stub        switch(arg0.getId())        {            case R.id.button1:                initAudio();                break;            case R.id.button2:                record.stop();                record.reset();                record.release();                break;            default:                break;        }    }        @SuppressWarnings("deprecation")    private void initAudio()    {        record = new MediaRecorder();        record.setAudioSource(MediaRecorder.AudioSource.MIC);         // 设置MediaRecorder的音频源为麦克风         record.setOutputFormat(MediaRecorder.OutputFormat.RAW_AMR);         // 设置MediaRecorder录制的音频格式         record.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);         // 设置MediaRecorder录制音频的编码为amr.         record.setOutputFile("/sdcard/richard.amr");         // 设置录制好的音频文件保存路径          try {            record.prepare();            record.start();        } catch (IllegalStateException e) {            // TODO Auto-generated catch block            e.printStackTrace();        } catch (IOException e) {            // TODO Auto-generated catch block            e.printStackTrace();        }    }}

 

activity_main.xml

 

strings.xml

     
         
      
       SoundRecord_demo
          
      
       Settings
          
      
       play
          
      
       stop
      
     

 

AndroidManifest.xml